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H.R. 3223
U.S. House•In House Committee
Summary
H.R. 3223, to amend the Internal Revenue Code of 1986 to establish procedures relating to the attribution of errors in the case of third party payors of payroll taxes, and for other purposes, was introduced in the House on May 6, 2025 by Rep. Mike Thompson (D) with 25 co-sponsors. It was referred to Ways And Means, and last saw action on May 6, 2025: Referred to the House Committee on Ways and Means.
Record
Text
H.R. 3223 has 25 co-sponsors.
hb3223/introduced-in-house.txt119 HR 3223 IH: To amend the Internal Revenue Code of 1986 to establish procedures relating to the attribution of errors in the case of third party payors of payroll taxes, and for other purposes.U.S. House of Representatives2025-05-06text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.I 119th CONGRESS 1st Session H. R. 3223 IN THE HOUSE OF REPRESENTATIVES May 6, 2025 Mr. Thompson of California (for himself and Ms. Van Duyne ) introduced the following bill; which was referred to the Committee on Ways and Means A BILLTo amend the Internal Revenue Code of 1986 to establish procedures relating to the attribution of errors in the case of third party payors of payroll taxes, and for other purposes.1.Attribution of errors in the case of third party payors of payroll taxes(a)In generalThe Internal Revenue Code of 1986 is amended by adding a new section 3513 to read as follows:3513.Third party payors of payroll taxes(a)CertificationA third party payor may, in the course of carrying out any requirement imposed under this subtitle, rely on a certification by the applicable employer unless such third party payor has constructive knowledge of an error in such certification. For purposes of this section, the term certification includes a representation, attestation, or similar document.(b)Liability for errorFor the purpose of imposing any liability with respect to an act carried out by a third party payor—(1)in the case of a third party payor with constructive knowledge of an error—(A)the employer shall be responsible for such liability; and(B)the third party payor shall be responsible for such liability, but only with respect to so much of the liability as is attributable to a portion of the certification with respect to which the third party payor had constructive knowledge of the error; or(2)in the case of a certification with respect to which the third party payor did not have constructive knowledge of an error, the employer shall have sole responsibility for any liability arising from such error.(c)LiabilityFor purposes of subsection (b), the term liability means any amount due under this subtitle, and any interest or penalties due with respect to such amount under this title.(d)Effect of error on other employersThe Secretary may not delay the processing of any payroll tax credit claimed by a third party payor on behalf of an employer or initiate an audit or examination of such employer solely because such payroll tax credit was claimed by a third party payor that filed an erroneous return of tax in reliance on a certification of another employer.(e)Record retentionThe Secretary may require a third party payor to provide any information in possession of such third party payor to the Secretary in relation to an employer that the Secretary could require such employer to provide to the Secretary.(f)Constructive knowledgeFor purposes of this section, the term constructive knowledge means, with respect to a third party payor, that such third party payor knew or should have known of an error in a certification described in subsection (a). However, with respect to any payroll tax credit claimed by a third party payor on behalf of an employer, such third party payor will be deemed not to have constructive knowledge of an error in a certification with respect to such payroll tax credit if—(1)such certification provides that the employer is entitled to the payroll tax credit;(2)the third party payor accurately reported the payroll tax credit in accordance with information certified by the employer; and(3)prior to claiming the payroll tax credit, the third party payor verified the amount of aggregate wages paid by the third party payor used by the employer in establishing the amount of the payroll tax credit.(g)Third party payorFor purposes of this section, the term third party payor includes a fiduciary, agent, or other person described in section 3504, a professional employer organization, or a certified professional employer organization..(b)Effective dateThis section shall apply to audits, examinations, and assessments initiated or made after the date of enactment.
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-05-06
- Passed House
- Passed Senate
- Conference
- To President
- Became Law
To amend the Internal Revenue Code of 1986 to establish procedures relating to the attribution of errors in the case of third party payors of payroll taxes, and for other purposes.
Sponsors
Rep. Mike Thompson (D) sponsors H.R. 3223, and 25 members have co-sponsored it, 1 of them from the day it was introduced.

Rep. · D–CA-4 · Sponsor
Introduced May 6, 2025

Rep. · R–TX-24 · Co-sponsor
Joined May 6, 2025 · Original

Rep. · D–CA-19 · Co-sponsor
Joined Jun 4, 2025

Rep. · R–FL-16 · Co-sponsor
Joined Jun 5, 2025

Rep. · D–AL-7 · Co-sponsor
Joined Jun 26, 2025

Rep. · D–IL-7 · Co-sponsor
Joined Sep 8, 2025

Rep. · R–IN-2 · Co-sponsor
Joined Sep 8, 2025

Rep. · R–OK-1 · Co-sponsor
Joined Sep 10, 2025

Rep. · R–OH-7 · Co-sponsor
Joined Sep 10, 2025

Rep. · D–WA-1 · Co-sponsor
Joined Oct 3, 2025
Committees
H.R. 3223 went before 1 committee: Ways and Means.
Actions
H.R. 3223 has taken 2 actions since May 6, 2025.
| Chamber | Action | |||
|---|---|---|---|---|
May 6, 2025 | House | Introduced in House | ||
May 6, 2025 | House | Referred to the House Committee on Ways and Means.Ways and Means Committee |
Votes
H.R. 3223 has not gone to a roll call.
Titles
H.R. 3223 goes by 2 titles.
- To amend the Internal Revenue Code of 1986 to establish procedures relating to the attribution of errors in the case of third party payors of payroll taxes, and for other purposes. — Display Title
- To amend the Internal Revenue Code of 1986 to establish procedures relating to the attribution of errors in the case of third party payors of payroll taxes, and for other purposes. — Official Title as Introduced
Lobbying
7 clients hired 7 firms and 41 registered lobbyists who named H.R. 3223 in 32 quarterly filings, 2025 to 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.
Filed under Taxation/Internal Revenue Code, Labor Issues/Antitrust/Workplace, Health Issues, Retirement.
Clients
Who paid to be heard, by how many filings named the bill.
| Client | Business | State | Firms | Filings | Reported |
|---|---|---|---|---|---|
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | Advocate on behalf of prof employer organizations providing comprehensive HR solutions. | Virginia | 2 | 10 | $300K |
| TRINET GROUP INC. | — | California | 1 | 6 | — |
| INSPERITY | — | Texas | 1 | 5 | $40K |
| NATIONAL ASSN OF PROFESSIONAL EMPLOYER ORGANIZATIONS | — | Virginia | 1 | 5 | $40K |
| TRINET USA, INC. | Provider of full-service human resources solutions to small- and medium-size businesses. | California | 1 | 4 | $240K |
| INSPERITY SERVICES, L.P. | professional employer organization | Texas | 1 | 1 | $50K |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS (NAPEO) | Advocacy and educational organization for Professional Employer Organizations | Virginia | 1 | 1 | — |
Firms
Registrants who filed on the bill, by filings.
| Registrant | Clients | Filings | Reported |
|---|---|---|---|
| DAVIS & HARMAN LLP | 2 | 10 | $80K |
| TRINET GROUP INC. | 1 | 6 | — |
| MEHLMAN CONSULTING, INC. | 1 | 5 | $300K |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | 1 | 5 | — |
| INVARIANT LLC | 1 | 4 | $240K |
| ARENTFOX SCHIFF LLP | 1 | 1 | — |
| BROWNSTEIN HYATT FARBER SCHRECK, LLP | 1 | 1 | $50K |
Lobbyists
Named on the filings that cite the bill. The 20 named most often, of 41.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| CHRIS GASTON | 1 | 2 | 10 |
| COURTNEY ZINTER | 1 | 2 | 10 |
| MICHAEL HADLEY | 1 | 2 | 10 |
| RALPH TYLER | 1 | 1 | 6 |
| ALEXANDER PERKINS | 1 | 1 | 5 |
| ALEX MILLIKEN | 1 | 1 | 5 |
| ALYENE MLINAR | 1 | 1 | 5 |
| ANNIE WOLF | 1 | 1 | 5 |
| BRUCE MEHLMAN | 1 | 1 | 5 |
| CAITLIN VAN SANT | 1 | 1 | 5 |
| DAVID THOMAS | 1 | 1 | 5 |
| DEAN ROSEN | 1 | 1 | 5 |
| ELISE FINLEY PICKERING | 1 | 1 | 5 |
| ERICA CHABOT | 1 | 1 | 5 |
| HELEN TOLAR | 1 | 1 | 5 |
| JON ADAME | 1 | 1 | 5 |
| LAUREN ARONSON | 1 | 1 | 5 |
| LISA GOLDMAN | 1 | 1 | 5 |
| MICHAEL ROBINSON | 1 | 1 | 5 |
| NAVEEN PARMAR | 1 | 1 | 5 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| TRINET GROUP INC. | TRINET GROUP INC. | 2026 first_quarter | $220K | 1st Quarter - Termina… |
| TRINET GROUP INC. | TRINET GROUP INC. | 2025 fourth_quarter | $220K | 4th Quarter - Report |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | 2025 fourth_quarter | $220K | 4th Quarter - Report |
| TRINET GROUP INC. | TRINET GROUP INC. | 2025 third_quarter | $220K | 3rd Quarter - Report |
| TRINET GROUP INC. | TRINET GROUP INC. | 2025 second_quarter | $220K | 2nd Quarter - Report |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | 2026 second_quarter | $190K | 2nd Quarter - Report |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | 2026 first_quarter | $180K | 1st Quarter - Report |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | 2025 third_quarter | $180K | 3rd Quarter - Report |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | 2025 second_quarter | $180K | 2nd Quarter - Report |
| TRINET GROUP INC. | TRINET GROUP INC. | 2026 first_quarter | $175K | 1st Quarter - Termina… |
| TRINET GROUP INC. | TRINET GROUP INC. | 2026 first_quarter | $175K | 1st Quarter - Report |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | MEHLMAN CONSULTING, INC. | 2026 second_quarter | $60K | 2nd Quarter - Report |
| TRINET USA, INC. | INVARIANT LLC | 2026 second_quarter | $60K | 2nd Quarter - Report |
| TRINET USA, INC. | INVARIANT LLC | 2026 first_quarter | $60K | 1st Quarter - Report |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | MEHLMAN CONSULTING, INC. | 2026 first_quarter | $60K | 1st Quarter - Report |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | MEHLMAN CONSULTING, INC. | 2025 fourth_quarter | $60K | 4th Quarter - Report |
| TRINET USA, INC. | INVARIANT LLC | 2025 fourth_quarter | $60K | 4th Quarter - Report |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | MEHLMAN CONSULTING, INC. | 2025 third_quarter | $60K | 3rd Quarter - Report |
| TRINET USA, INC. | INVARIANT LLC | 2025 third_quarter | $60K | 3rd Quarter - Report |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | MEHLMAN CONSULTING, INC. | 2025 second_quarter | $60K | 2nd Quarter - Report |
Classification
The Congressional Research Service files H.R. 3223 under Taxation, one of its 31 policy areas.
CRS Subjects
CRS assigns every bill one policy area from its 31; H.R. 3223’s is Taxation.
hr3223/policy-areas.txtConstitutional authority
The clause the sponsor cites as Congress’s power to enact H.R. 3223, as entered in the Congressional Record.
[Congressional Record Volume 171, Number 75 (Tuesday, May 6, 2025)][House]From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]By Mr. THOMPSON of California:H.R. 3223.Congress has the power to enact this legislation pursuantto the following:Article 1 Section 8 Clause 18[Page H1881]
Source: congress.gov · legiscan.com